Minds me of the ancient knowledge of The Destroyer passes by every 12,068 years, a passing planet or a nova explodes, magnetic reversal, tilting the Earth enough the shake off most of it's inhabitants, just a few hardy people to start anew, renew the Earth, let civilization crumble (like many have gone), a new magnetic tilt, to watch Antarctica emerge as dry land, let America be frozen under a mile of ice for an ice age.
